Fluvanna County, Virginia. For the community in Texas, see Fluvanna, Texas. Fluvanna County is a county located in the Piedmont region of the Commonwealth of Virginia. As of the 2010 census, the population was 25,691. Its county seat is Palmyra. Fluvanna County is part of the Charlottesville, Virginia Metropolitan Statistical Area.
Adult: Once the adult house fly hatches from the pupal stage, it has an approximate life span of 15 to 30 days. Females are able to start producing eggs after two days of life and will continue to lay eggs for about a month. Female house flys are usually larger than the males.
Life cycle (Figure 2): â¢ Sand flies develop slowly - It takes 5 weeks for an egg to develop into an adult fly, compared to 2 weeks for mosquitoes. â¢ Sand fly larvae are known to live on land rather than water. temperature, and organic matter for food. the most likely place for sand fly larvae to live. â¢ Exactly where sand flies naturally breed remains a mystery. This is important to know because we may be able to target and control the developing larvae with insecticides. eggs larvae pupae Figure 2: Sand fly development Adult Figure 1: blood-feeding female sand fly Photo: R. Knechtli